单选题
发布日期:2021-03-22
heat convection through the adjacent bulkheads
combustion gases carried through the ventilation system
direct convection of the heat emitted by the adjacent fire
heat radiated from the dock or bulkhead by the adjacent fire
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IL-2能诱导()增殖与分化。
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男性喉的平面位置较女性低。
患者男,31岁。2年前因胃溃疡穿孔行毕Ⅰ式胃大部切除术。术后半年胃溃疡复发并出血,遂行残胃部分切除、胃空肠吻合术。术后上腹仍感烧灼样痛伴腹泻,服用H2受体拮抗剂不缓解。胃液分析:夜间12小时胃液总量>1000ml,BAO/MAO>60%。此时,诊断首先应考虑()
关于内部控制只能为控制目标的实现提供“合理保证”,而不是“绝对保证”的理解错误的是()
执业医师资格考试制度规定的条件之一是()
一束平行光通过镜头时,在光轴上汇聚一点,称为()
车站应按照《货物运价里程表》什么规定办理货运业务?
简述开幕词的一般写法。
筒压法检测的测试设备所用的托盘天平要求称量为1000g、感量为()。
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